diff --git a/handlers/checks_test.go b/handlers/checks_test.go
new file mode 100644
index 0000000..b55069c
--- /dev/null
+++ b/handlers/checks_test.go
@@ -0,0 +1,18 @@
+package handlers
+
+import "testing"
+
+var dirNameTests = []struct {
+	url  string
+	want string
+}{
+	{"https://github.com/foo/bar", "repos/src/github.com/foo/bar"},
+}
+
+func TestDirName(t *testing.T) {
+	for _, tt := range dirNameTests {
+		if got := dirName(tt.url); got != tt.want {
+			t.Errorf("dirName(%q) = %q, want %q", tt.url, got, tt.want)
+		}
+	}
+}